Home / 7,726.26-11,589.21-4,219.68

Finding the Fourth Proportional to 7,726.26, 11,589.21 and 4,219.68

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Solution

The fourth proportional to 7,726.26, 11,589.21 and 4,219.68 is: 6,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.26 : 11,589.21 = 4,219.68 : x
  2. Step 2: Convert to fraction form
    7,726.26/11,589.21 = 4,219.68/x
  3. Step 3: Cross multiply
    7,726.26x = 11,589.21 × 4,219.68
  4. Step 4: Simplify right side
    7,726.26x = 48,902,757.65
  5. Step 5: Solve for x
    x = 48,902,757.65/7,726.26
  6. Step 6: Final answer
    x = 6,329.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.